If you're interested in travelling between NIagara Falls and Niagara on the Lake, here's contact info on two cab companies: 5-0 taxi: (905) 358-3232 or (800) 667-0256 www.5-0taxi.com  The other: Niagara Falls Taxi www.niagarafallstaxi.com/other.html.

As far as cost, in Jun 2005: a 5-0 taxi shuttle price from Niagara Falls was C$10 one way or $18 round trip for adults and $5 one way or $9 round trip for children. The shuttle picked up at a couple of different times at Sheraton Fallsview, the Renaisance, Brock Plaza, and the Niagara Falls bus terminal.  Niagara Falls Taxi charge a flat rate of $30 one way. Again, Jun 2005.